Kadar is a distinctive boys' name in United States, ranking #4299 in 1998 with 16 recorded births. This places Kadar in the top 38% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 16 births ranking #4299. In 1998, approximately 1 in every 119,457 boys born was named Kadar. FALLING Recent data shows the name is currently falling.